I-84 (hwy 006) WB over North Powder River
Union County, Oregon · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-84 (hwy 006) WB over North Powder River in Union County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 6,205 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 85 of the 169 inventoried bridges in Union County rated fair (50.3%); 8 (4.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 8.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.01888, -117.92196)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 96 ft |
| Location | Union-baker County Line |
| NBI structure number | 07293A006 28619 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-84 (hwy 006) over Ladd Creek(second Xing) | 2019 | 12,684 | Good |
| I-84 (hwy 006) over Ladd Creek Intch | 2019 | 12,684 | Good |
| I-84 (hwy 006) over Five Points Crk | 1960 | 12,564 | Fair |
| I-84 (hwy 006) over Hamilton Creek | 1960 | 12,538 | Fair |
| I-84 (hwy 006) over UPRR & Hwy 006 Bp | 1957 | 12,102 | Fair |
| I-84 (hwy 006) over Glover I/c (spring CR) | 1957 | 12,102 | Fair |
All bridges nearby: Union County, OR bridge conditions · every bridge in Union County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.